kernel-fxtec-pro1x/arch/um/sys-i386/user-offsets.c
Jeff Dike 47906dd9e6 uml: tidy ptrace interface
Tidy the ptrace interface code.  Removed a bunch of unused macros.
Started converting register sets from arrays of longs to structures.

Signed-off-by: Jeff Dike <jdike@linux.intel.com>
Cc: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2008-05-13 08:02:21 -07:00

53 lines
1.3 KiB
C

#include <stdio.h>
#include <stddef.h>
#include <signal.h>
#include <sys/poll.h>
#include <sys/user.h>
#include <sys/mman.h>
#include <asm/ptrace.h>
#define DEFINE(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val))
#define DEFINE_LONGS(sym, val) \
asm volatile("\n->" #sym " %0 " #val : : "i" (val/sizeof(unsigned long)))
#define OFFSET(sym, str, mem) \
DEFINE(sym, offsetof(struct str, mem));
void foo(void)
{
OFFSET(HOST_SC_TRAPNO, sigcontext, trapno);
OFFSET(HOST_SC_ERR, sigcontext, err);
OFFSET(HOST_SC_CR2, sigcontext, cr2);
DEFINE_LONGS(HOST_FP_SIZE, sizeof(struct user_fpregs_struct));
DEFINE_LONGS(HOST_FPX_SIZE, sizeof(struct user_fpxregs_struct));
DEFINE(HOST_IP, EIP);
DEFINE(HOST_SP, UESP);
DEFINE(HOST_EFLAGS, EFL);
DEFINE(HOST_EAX, EAX);
DEFINE(HOST_EBX, EBX);
DEFINE(HOST_ECX, ECX);
DEFINE(HOST_EDX, EDX);
DEFINE(HOST_ESI, ESI);
DEFINE(HOST_EDI, EDI);
DEFINE(HOST_EBP, EBP);
DEFINE(HOST_CS, CS);
DEFINE(HOST_SS, SS);
DEFINE(HOST_DS, DS);
DEFINE(HOST_FS, FS);
DEFINE(HOST_ES, ES);
DEFINE(HOST_GS, GS);
DEFINE(UM_FRAME_SIZE, sizeof(struct user_regs_struct));
/* XXX Duplicated between i386 and x86_64 */
DEFINE(UM_POLLIN, POLLIN);
DEFINE(UM_POLLPRI, POLLPRI);
DEFINE(UM_POLLOUT, POLLOUT);
DEFINE(UM_PROT_READ, PROT_READ);
DEFINE(UM_PROT_WRITE, PROT_WRITE);
DEFINE(UM_PROT_EXEC, PROT_EXEC);
}